DC 5-30V 5A Buck Module 3.3V/5V/8.4V DC-DC Step-Down Converter Power Module

DC-DC 5V to 1-24V USB Step Up Down Power Supply Module Buck Boost Converter

Dual Output DC-DC 7-30V to 3.3V 5V 12V Step-down Buck Converter Power Module 10W

DC-DC Buck Converter Adjustable Mini Step-down Module 1.8V 3.3V 5V 9V 12V 2A

DC 5-30V 5A Buck Module 3.3V/5V/8.4V DC-DC Step-Down Converter Power Module

DC-DC Step-down Module 60V48V36V24V To 12V5V3.3V Car Power Mini Buck Converter

DC 5V to 1.2-24V 0.5-30V USB Step Up Down Converter Power Supply Buck Module